If ndrs have not been enabled , an ndr will not be sent if voice message delivery fails .

如果未启用ndr，则在语音邮件传递失败时不会发送ndr。

If report redirection is set to the distribution group manager , all report request settings are suppressed except ndr messages that are sent to the distribution group manager .

如果报告重定向设置为通讯组主管，将抑制所有报告请求设置，发送给通讯组主管的ndr邮件除外。

The advanced queuing engine must retain the message until at least one transfer path becomes available , or until the message expires and is returned to the sender with an ndr .

高级排队引擎必须保留邮件，直到至少有一个传输路径可用，或者直到邮件过期，而必须随同ndr一起返还给发件人。

Without the deleted routing group object , mail sent to non-existent users will immediately be returned to the sender with an ndr , instead of being added to the queue first .

如果没有已删除的路由组对象，则发送给不存在用户的邮件将通过ndr立即退回发件人，而不是首先将其添加到队列中。

If , on the contrary , the future rate of interest is uncertain we cannot safely infer that ndr will prove to be equal to 1dn + r / 1dn when the time comes .

反之，若未来利率是不确定的，那么我们就无法保证到时一定会有ndr等于1dn+r/1dn的情况出现。